[TechAssist] Re: Zenith SG2795BK Gibberish text characters all over screen. intermittant
- From: "Ray Lones" <rlones@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 12 Apr 2005 05:44:31 -0400
Is it space invaders? Zenith bought a character generator from Hitachi. When
it failed it would revert to space invaders. Kinda capital A looking dudes
across the screen.
Alarie's TV
1300 North Ave.
Burlington, VT.
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, April 11, 2005 11:56 PM
Subject: [TechAssist] Re: Zenith SG2795BK Gibberish text characters all over
screen. intermittant
> That was back in the 90's wasn't it? I think it was somewhere around the
> L1/4 chassis.
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: <agower@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, April 11, 2005 11:38 PM
> Subject: [TechAssist] Re: Zenith SG2795BK Gibberish text characters all
> over
> screen. intermittant
>
>
>> Had that happen to a Magnavox Cure was a Kit that added shield over the
>> main
>> processor and shield was grounded. Set was picking up magnet pulses from
>> the
>> DAG on the CRT.
>> agower@xxxxxxxxxxxxx
>> Cordova TV
>> Adolph Gower
>> 3415 Comet Court
>> Sacramento, Ca. 95827-2924
>> Phone: (916) 698-6565
>> Fax: (916) 363-8359
>> ----- Original Message -----
>> From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: 2005Äê4ÔÂ11ÈÕ 6:57
>> Subject: [TechAssist] Zenith SG2795BK Gibberish text characters all over
>> screen. intermittant
>>
>>
>>> Customer said sometimes there would be text characters all over the
>>> screen.Gibberish. No sense to them. usually clears. got worse.
>>> This older set has the "main" board on bottom, the one thats completely
>>> shielded top and bottom. think it's the 9-700. Known for lots of cold
>>> solder connections. I pulled it. Completely resolderd it and set seemed
>>> OK. two days later customer said it's back. I noted when it happened for
>>> me, usually just after plug in and power up, I could hit Enter to clear.
>>> I assume this main board is at fault but what.
>>> Board compliment in this set:
>>> Video 9-369-09
>>> SMPS 9-604-03
>>> Sweep: 9-605-01
>>> Main: 9-700-18
>>> IF/Audio: 9-701
>>> Keyboard/Micro: 9-943
>>> Could use assist here.
>>> is a character generator flakey?
>>> What/Where?
>>> Phil Bader
>>>
>>> --
>>>
>>> Philip Bader
>>> Jan Phyl TV Inc. (estab. 1976)
>>> 3420 Recker Hwy. Winter Haven, Fl. 33880
>>> Fax (863) 299-8821
>>> email: tjanphyl@xxxxxxxxxxxxxxx
>>>
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>
>
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